1 /* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 #include <drm/drmP.h> 27 #include <drm/drm_crtc_helper.h> 28 #include <drm/radeon_drm.h> 29 #include "radeon.h" 30 #include "atom.h" 31 32 extern void 33 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 34 struct drm_connector *drm_connector); 35 extern void 36 radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, 37 struct drm_connector *drm_connector); 38 39 40 static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 41 { 42 struct drm_device *dev = encoder->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 45 struct drm_encoder *clone_encoder; 46 uint32_t index_mask = 0; 47 int count; 48 49 /* DIG routing gets problematic */ 50 if (rdev->family >= CHIP_R600) 51 return index_mask; 52 /* LVDS/TV are too wacky */ 53 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 54 return index_mask; 55 /* DVO requires 2x ppll clocks depending on tmds chip */ 56 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 57 return index_mask; 58 59 count = -1; 60 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 61 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 62 count++; 63 64 if (clone_encoder == encoder) 65 continue; 66 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 67 continue; 68 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 69 continue; 70 else 71 index_mask |= (1 << count); 72 } 73 return index_mask; 74 } 75 76 void radeon_setup_encoder_clones(struct drm_device *dev) 77 { 78 struct drm_encoder *encoder; 79 80 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 81 encoder->possible_clones = radeon_encoder_clones(encoder); 82 } 83 } 84 85 uint32_t 86 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 87 { 88 struct radeon_device *rdev = dev->dev_private; 89 uint32_t ret = 0; 90 91 switch (supported_device) { 92 case ATOM_DEVICE_CRT1_SUPPORT: 93 case ATOM_DEVICE_TV1_SUPPORT: 94 case ATOM_DEVICE_TV2_SUPPORT: 95 case ATOM_DEVICE_CRT2_SUPPORT: 96 case ATOM_DEVICE_CV_SUPPORT: 97 switch (dac) { 98 case 1: /* dac a */ 99 if ((rdev->family == CHIP_RS300) || 100 (rdev->family == CHIP_RS400) || 101 (rdev->family == CHIP_RS480)) 102 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 103 else if (ASIC_IS_AVIVO(rdev)) 104 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 105 else 106 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 107 break; 108 case 2: /* dac b */ 109 if (ASIC_IS_AVIVO(rdev)) 110 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 111 else { 112 /*if (rdev->family == CHIP_R200) 113 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 114 else*/ 115 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 116 } 117 break; 118 case 3: /* external dac */ 119 if (ASIC_IS_AVIVO(rdev)) 120 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 121 else 122 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 123 break; 124 } 125 break; 126 case ATOM_DEVICE_LCD1_SUPPORT: 127 if (ASIC_IS_AVIVO(rdev)) 128 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 129 else 130 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 131 break; 132 case ATOM_DEVICE_DFP1_SUPPORT: 133 if ((rdev->family == CHIP_RS300) || 134 (rdev->family == CHIP_RS400) || 135 (rdev->family == CHIP_RS480)) 136 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 137 else if (ASIC_IS_AVIVO(rdev)) 138 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 139 else 140 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 141 break; 142 case ATOM_DEVICE_LCD2_SUPPORT: 143 case ATOM_DEVICE_DFP2_SUPPORT: 144 if ((rdev->family == CHIP_RS600) || 145 (rdev->family == CHIP_RS690) || 146 (rdev->family == CHIP_RS740)) 147 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 148 else if (ASIC_IS_AVIVO(rdev)) 149 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 150 else 151 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 152 break; 153 case ATOM_DEVICE_DFP3_SUPPORT: 154 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 155 break; 156 } 157 158 return ret; 159 } 160 161 static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 162 struct drm_connector *connector) 163 { 164 struct drm_device *dev = radeon_encoder->base.dev; 165 struct radeon_device *rdev = dev->dev_private; 166 bool use_bl = false; 167 168 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 169 return; 170 171 if (radeon_backlight == 0) { 172 return; 173 } else if (radeon_backlight == 1) { 174 use_bl = true; 175 } else if (radeon_backlight == -1) { 176 /* Quirks */ 177 /* Amilo Xi 2550 only works with acpi bl */ 178 if ((rdev->pdev->device == 0x9583) && 179 (rdev->pdev->subsystem_vendor == 0x1734) && 180 (rdev->pdev->subsystem_device == 0x1107)) 181 use_bl = false; 182 /* disable native backlight control on older asics */ 183 else if (rdev->family < CHIP_R600) 184 use_bl = false; 185 else 186 use_bl = true; 187 } 188 189 if (use_bl) { 190 if (rdev->is_atom_bios) 191 radeon_atom_backlight_init(radeon_encoder, connector); 192 else 193 radeon_legacy_backlight_init(radeon_encoder, connector); 194 rdev->mode_info.bl_encoder = radeon_encoder; 195 } 196 } 197 198 void 199 radeon_link_encoder_connector(struct drm_device *dev) 200 { 201 struct drm_connector *connector; 202 struct radeon_connector *radeon_connector; 203 struct drm_encoder *encoder; 204 struct radeon_encoder *radeon_encoder; 205 206 /* walk the list and link encoders to connectors */ 207 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 208 radeon_connector = to_radeon_connector(connector); 209 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 210 radeon_encoder = to_radeon_encoder(encoder); 211 if (radeon_encoder->devices & radeon_connector->devices) { 212 drm_mode_connector_attach_encoder(connector, encoder); 213 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 214 radeon_encoder_add_backlight(radeon_encoder, connector); 215 } 216 } 217 } 218 } 219 220 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 221 { 222 struct drm_device *dev = encoder->dev; 223 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 224 struct drm_connector *connector; 225 226 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 227 if (connector->encoder == encoder) { 228 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 229 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 230 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 231 radeon_encoder->active_device, radeon_encoder->devices, 232 radeon_connector->devices, encoder->encoder_type); 233 } 234 } 235 } 236 237 struct drm_connector * 238 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 239 { 240 struct drm_device *dev = encoder->dev; 241 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 242 struct drm_connector *connector; 243 struct radeon_connector *radeon_connector; 244 245 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 246 radeon_connector = to_radeon_connector(connector); 247 if (radeon_encoder->active_device & radeon_connector->devices) 248 return connector; 249 } 250 return NULL; 251 } 252 253 struct drm_connector * 254 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 255 { 256 struct drm_device *dev = encoder->dev; 257 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 258 struct drm_connector *connector; 259 struct radeon_connector *radeon_connector; 260 261 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 262 radeon_connector = to_radeon_connector(connector); 263 if (radeon_encoder->devices & radeon_connector->devices) 264 return connector; 265 } 266 return NULL; 267 } 268 269 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 270 { 271 struct drm_device *dev = encoder->dev; 272 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 273 struct drm_encoder *other_encoder; 274 struct radeon_encoder *other_radeon_encoder; 275 276 if (radeon_encoder->is_ext_encoder) 277 return NULL; 278 279 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 280 if (other_encoder == encoder) 281 continue; 282 other_radeon_encoder = to_radeon_encoder(other_encoder); 283 if (other_radeon_encoder->is_ext_encoder && 284 (radeon_encoder->devices & other_radeon_encoder->devices)) 285 return other_encoder; 286 } 287 return NULL; 288 } 289 290 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 291 { 292 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 293 294 if (other_encoder) { 295 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 296 297 switch (radeon_encoder->encoder_id) { 298 case ENCODER_OBJECT_ID_TRAVIS: 299 case ENCODER_OBJECT_ID_NUTMEG: 300 return radeon_encoder->encoder_id; 301 default: 302 return ENCODER_OBJECT_ID_NONE; 303 } 304 } 305 return ENCODER_OBJECT_ID_NONE; 306 } 307 308 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 309 struct drm_display_mode *adjusted_mode) 310 { 311 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 312 struct drm_device *dev = encoder->dev; 313 struct radeon_device *rdev = dev->dev_private; 314 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 315 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 316 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 317 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 318 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 319 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 320 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 321 322 adjusted_mode->clock = native_mode->clock; 323 adjusted_mode->flags = native_mode->flags; 324 325 if (ASIC_IS_AVIVO(rdev)) { 326 adjusted_mode->hdisplay = native_mode->hdisplay; 327 adjusted_mode->vdisplay = native_mode->vdisplay; 328 } 329 330 adjusted_mode->htotal = native_mode->hdisplay + hblank; 331 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 332 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 333 334 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 335 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 336 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 337 338 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 339 340 if (ASIC_IS_AVIVO(rdev)) { 341 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 342 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 343 } 344 345 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 346 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 347 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 348 349 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 350 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 351 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 352 353 } 354 355 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 356 u32 pixel_clock) 357 { 358 struct drm_device *dev = encoder->dev; 359 struct radeon_device *rdev = dev->dev_private; 360 struct drm_connector *connector; 361 struct radeon_connector *radeon_connector; 362 struct radeon_connector_atom_dig *dig_connector; 363 364 connector = radeon_get_connector_for_encoder(encoder); 365 /* if we don't have an active device yet, just use one of 366 * the connectors tied to the encoder. 367 */ 368 if (!connector) 369 connector = radeon_get_connector_for_encoder_init(encoder); 370 radeon_connector = to_radeon_connector(connector); 371 372 switch (connector->connector_type) { 373 case DRM_MODE_CONNECTOR_DVII: 374 case DRM_MODE_CONNECTOR_HDMIB: 375 if (radeon_connector->use_digital) { 376 /* HDMI 1.3 supports up to 340 Mhz over single link */ 377 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 378 if (pixel_clock > 340000) 379 return true; 380 else 381 return false; 382 } else { 383 if (pixel_clock > 165000) 384 return true; 385 else 386 return false; 387 } 388 } else 389 return false; 390 case DRM_MODE_CONNECTOR_DVID: 391 case DRM_MODE_CONNECTOR_HDMIA: 392 case DRM_MODE_CONNECTOR_DisplayPort: 393 dig_connector = radeon_connector->con_priv; 394 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 395 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 396 return false; 397 else { 398 /* HDMI 1.3 supports up to 340 Mhz over single link */ 399 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 400 if (pixel_clock > 340000) 401 return true; 402 else 403 return false; 404 } else { 405 if (pixel_clock > 165000) 406 return true; 407 else 408 return false; 409 } 410 } 411 default: 412 return false; 413 } 414 } 415 416 bool radeon_encoder_is_digital(struct drm_encoder *encoder) 417 { 418 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 419 switch (radeon_encoder->encoder_id) { 420 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 421 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 422 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 423 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 424 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 425 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 426 case ENCODER_OBJECT_ID_INTERNAL_DDI: 427 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 428 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 429 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 430 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 431 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 432 return true; 433 default: 434 return false; 435 } 436 } 437